In-line fan housing



FIG. 1 is a front perspective view of my in-line fan housing.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a right side elevation view being a mirror image thereof. 

The ornamental design for an in-line fan housing, as shown and described. 